Today is The Mark’s official paperback release day!  Personally, I always prefer paperbacks – easier to carry around (nope, still haven’t converted to an e-reader) – plus this one has the snazzy new cover that matches The Vision:

As opposed to the Snazzy Old Cover that’s on the hardcover version:

Or the Snazzy Really Old Cover that was on the original ARC, but got scrapped when another book used the same stock photo:

Anyhow, The Mark in paperback is available in all the usual places, including through the links you’ll find here.